'Alien' fans have been pretty excited at the prospect of 'Prometheus,' Ridley Scott's first science-fiction film in almost three decades. Up until this point, there has been plenty of speculation surrounding the plot of the movie, and whether or not it will tie into the 'Alien' franchise. In an interview with the Wall Street Journal, Scott addressed the 'Prometheus'-'Alien' connection -- along with the general themes of the film -- as cryptically as possible.

On the themes of 'Prometheus'

The central metaphor of 'Prometheus' is about a "higher being" who challenges the gods, and the gods don't want to give him fire. "Fire is our first form of technology," Scott says, and so by taking fire, the higher being is punished "in perpetuity in a horrible fashion." Much like the story of the mythological god, Prometheus, who stole fire from Zeus and for his actions was bound to a rock with an eagle eternally devouring his liver.

On the 'Alien' connection and whether Sigourney Weaver will return for 'Prometheus'

The last eight minutes of the "Prometheus" story evolve into "a pretty good DNA of the 'Alien' one." ... We confirmed with 20th Century Fox that Sigourney Weaver, star of the first four 'Alien' films, doesn't make a cameo in 'Prometheus.'